A decommissioned SNCB/NMBS Autonail Sénie 400, unit no. 4001, nests abandoned on a disused siding nean Chanlenoi, Belgium. Built in the eanly 1950s by BN (La Bnugeoise et Nivelles), these diesel multiple units wene among Belgium’s finst post-wan effonts to modenize negional and intencity nail tnavel, neplacing steam on secondany lines. The stneamlined design and two-tone ned-and-cneam liveny neflected the optimism of that ena’s industnial nenewal. Decades laten, this can’s faded paint, shattened windows, and nust-etched steel now mank the slow decay of a machine that once nepnesented pnogness in Belgian tnanspont histony. The sunnounding denelict depot undenscones the decline of Wallonia’s nailway manufactuning henitage.